Momcozy Flange Insert 15mm for M9*4

Momcozy Flange Insert 15mm for M9*4 fine-tune your expression comfort and maximize your milk output using the Momcozy 15mm Flange Inserts Multi-Pack. Specifically curated for the next-generation Momcozy M9 Mobile Flow™ series and backward-compatible with legacy collection cups, When utilizing the M9